42=2y-5.5y

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Solution for 42=2y-5.5y equation: 



42=2y-5.5y

We move all terms to the left:

42-(2y-5.5y)=0

We add all the numbers together, and all the variables

-(-3.5y)+42=0

We get rid of parentheses

3.5y+42=0

We move all terms containing y to the left, all other terms to the right

3.5y=-42

y=-42/3.5

y=-12

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